How to Enable and Disable Host Initiated SSO
By default, host initiated Single Sign-On is not enabled in the Single Sign-On system, and must be enabled by the SSO Administrator.
To enable host initiated SSO using the MMC Snap-In
On the Start menu, click Programs, click Microsoft Enterprise Single Sign-On, and then click SSO Administration.
In the scope pane of the ENTSSO MMC Snap-In, expand the Enterprise Single Sign-On node.
Right-click System, and then click Properties.
Click the Options tab.
Select the Enable host initiated SSO box, and click OK.
To enable host initiated SSO using the command line
On the Start menu, click Run.
In the Run dialog box, type cmd, and then click OK.
At the command line, go to the Enterprise Single Sign-On installation directory. The default is <drive>:\Program Files\Common Files\Enterprise Single Sign-On.
Type ssomanage -enable hisso.
Note
On a system that supports User Account Control (UAC), you may need to run the tool with Administrative privileges.
Disabling SSO applies to the entire SSO system, and all operations related to host initiated SSO are turned off.
To disable host initiated SSO using the MMC Snap-In
On the Start menu, click Programs, click Microsoft Enterprise Single Sign-On, and then click SSO Administration.
In the scope pane of the ENTSSO MMC Snap-In, expand the Enterprise Single Sign-On node.
Right-click System, and then click Properties.
Click the Options tab.
Clear the Enable host initiated SSO box, and click OK.
To disable host initiated SSO using the command line
On the Start menu, click Run.
In the Run dialog box, type cmd, and then click OK.
At the command line, go to the Enterprise Single Sign-On installation directory. The default is <drive>:\Program Files\Common Files\Enterprise Single Sign-On.
Type ssomanage -disable hisso as appropriate.
Note
On a system that supports User Account Control (UAC), you may need to run the tool with Administrative privileges.